What time zone is Eureka in?

Eureka uses Central Standard Time (CST, UTC−6) in winter and Central Daylight Time (CDT, UTC−5) in summer. Its IANA time zone is America/Chicago.

When is the next clock change in Eureka?

Clocks in Eureka move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from CST (UTC−06:00) to CDT (UTC−05:00)

Does Eureka observe daylight saving time?

Yes. Eureka observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.

What is the UTC offset of Eureka?

Eureka is UTC−6 in winter and UTC−5 in summer

Current Time in Eureka, Saint Louis County, Missouri, USA

12:22:16 AM

00:22:16

Saturday, November 14, 2026

CST (Central Standard Time) · UTC−06:00

America/Chicago

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Time zone details

Eureka is currently on standard time; daylight saving time is observed in 2026

Daylight in Eureka

Sunrise6:43 AMSolar noon11:46 AMSunset4:50 PM

Next clock changeMar 14, 2027 · Clocks move forward 1 hour · in 120 daysUpcomingView details Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: USA
State: Missouri
County: Saint Louis County
Place type: Populated place
Country currency: US Dollar (USD)

Practical

Country languages: English, Spanish, Hawaiian, French
Dialing code: +1
Population: 10,602
Elevation: 139 m

Geography

Geographic coordinates: 38° 30' N / 90° 37' W

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Clock changes in Eureka

Next clock change

Upcoming

Sunday, March 14, 2027

2:00 AM CST3:00 AM CDT

Clocks move forward 1 hour

Sunday, March 8, 2026past
Daylight saving time starts
2:00 AM CST3:00 AM CDT
Clocks move forward 1 hour
Sunday, November 1, 2026past
Daylight saving time ends
2:00 AM CDT1:00 AM CST
Clocks move back 1 hour

Future clock changes, 2027–2030

USA daylight saving time Clock changes worldwide

Sun & Moon details

Sunrise: 6:43 AM
Solar noon: 11:46 AM
Sunset: 4:50 PM
Daylight duration: 10 hr 07 min1 min 52 sec shorter than the previous day

Civil twilight: 6:15 AM – 5:18 PM
Nautical twilight: 5:43 AM – 5:50 PM
Astronomical twilight: 5:11 AM – 6:21 PM

Waxing CrescentMoon illumination25%

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Saturday, November 14, 2026

View Eureka on Savvy Time's time-zone map

Sun

Sunrise: 6:43 AM (southeast, 113.0°)
Sunset: 4:50 PM (southwest, 246.9°)
Day length: 10 hr 07 min1 min 52 sec shorter than the previous day
Solar noon: 11:46 AM (33.2° altitude)

Civil twilight

Dawn to dusk: 6:15 AM – 5:18 PM

Additional twilight

Nautical dawn to dusk: 5:43 AM – 5:50 PM
Astronomical dawn to dusk: 5:11 AM – 6:21 PM

Moon

Phase: Waxing Crescent (25% illuminated)
Moonrise: 11:29 AM (southeast, 121.8°)
Moonset: 9:03 PM (southwest, 239.8°)
Previous principal phase: New Moon — Monday, November 9, 2026 at 1:02 AM
Next principal phase: First Quarter — Tuesday, November 17, 2026 at 5:48 AM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Saturday, November 14	6:43 AM	4:50 PM	10 hr 07 min	1 min 52 sec shorter than the previous day
Sunday, November 15	6:44 AM	4:49 PM	10 hr 05 min	1 min 51 sec shorter than the previous day
Monday, November 16	6:45 AM	4:48 PM	10 hr 03 min	1 min 49 sec shorter than the previous day
Tuesday, November 17	6:46 AM	4:48 PM	10 hr 01 min	1 min 46 sec shorter than the previous day
Wednesday, November 18	6:47 AM	4:47 PM	10 hr 00 min	1 min 44 sec shorter than the previous day
Thursday, November 19	6:48 AM	4:46 PM	9 hr 58 min	1 min 43 sec shorter than the previous day
Friday, November 20	6:49 AM	4:46 PM	9 hr 56 min	1 min 40 sec shorter than the previous day

Weather forecast for Eureka

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Plan around Eureka

Upcoming public holidays in Missouri

Thu, Nov 26, 2026Thanksgiving Day
Fri, Dec 25, 2026Christmas Day
Fri, Jan 1, 2027New Year's Day

Nearby places

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Frequently asked questions

What time zone is Eureka in?: Eureka uses Central Standard Time (CST, UTC−6) in winter and Central Daylight Time (CDT, UTC−5) in summer. Its IANA time zone is America/Chicago.
When is the next clock change in Eureka?: Clocks in Eureka move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from CST (UTC−06:00) to CDT (UTC−05:00)
Does Eureka observe daylight saving time?: Yes. Eureka observes daylight saving time: CDT (UTC−5) in summer and CST (UTC−6) in winter.
What is the UTC offset of Eureka?: Eureka is UTC−6 in winter and UTC−5 in summer